The Birtley HD110 is a heavy-duty cavity wall lintel designed for structural applications in buildings. It supports cavities between 110mm and 125mm with 100mm inner and outer wall leaves. Made with durable post-fabrication hot-dip galvanisation for superior corrosion resistance, it minimizes thermal bridging and complies with fire resistance standards. Suitable for various wall openings, it ensures reliable performance in demanding construction projects.

Features 

Structural Support

• Designed for heavy-duty applications in cavity wall construction.
• Supports cavities ranging from 110mm to 125mm.
• Suitable for 100mm inner and outer wall leaves.

Durability

• Made with Supergalv hot-dip galvanisation for superior corrosion resistance.
• Provides up to 50% more zinc protection compared to standard coatings.

Thermal Performance

• Reduces thermal bridging with a design that eliminates the need for a baseplate.
• Includes factory-fitted insulation for improved energy efficiency.

Fire Safety

• Tested to BS476-20:1987 standards for fire resistance.

Installation

• Requires fully jointed solid blockwork on the inner leaf.
• Minimum end bearing of 150mm is essential.
• Suitable for use with cavity trays in external walls.

Sizes Available

• Comes in various lengths, typically from 750mm to 4800mm, to fit different construction needs.